1 /* 2 * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8023524 27 * @summary tests logging generated classes for lambda 28 * @library /java/nio/file 29 * @modules jdk.compiler 30 * jdk.zipfs 31 * @run testng LogGeneratedClassesTest 32 */ 33 import java.io.File; 34 import java.io.IOException; 35 import java.util.ArrayList; 36 import java.util.List; 37 import java.util.function.Predicate; 38 import java.nio.file.Files; 39 import java.nio.file.Path; 40 import java.nio.file.Paths; 41 import java.nio.file.attribute.PosixFileAttributeView; 42 43 import org.testng.annotations.AfterClass; 44 import org.testng.annotations.BeforeClass; 45 import org.testng.annotations.Test; 46 import org.testng.SkipException; 47 48 import static java.nio.file.attribute.PosixFilePermissions.*; 49 import static org.testng.Assert.assertEquals; 50 import static org.testng.Assert.assertFalse; 51 import static org.testng.Assert.assertTrue; 52 53 public class LogGeneratedClassesTest extends LUtils { 54 String longFQCN; 55 56 @BeforeClass setup()57 public void setup() throws IOException { 58 final List<String> scratch = new ArrayList<>(); 59 scratch.clear(); 60 scratch.add("package com.example;"); 61 scratch.add("public class TestLambda {"); 62 scratch.add(" interface I {"); 63 scratch.add(" int foo();"); 64 scratch.add(" }"); 65 scratch.add(" public static void main(String[] args) {"); 66 scratch.add(" System.setSecurityManager(new SecurityManager());"); 67 scratch.add(" I lam = () -> 10;"); 68 scratch.add(" Runnable r = () -> {"); 69 scratch.add(" System.out.println(\"Runnable\");"); 70 scratch.add(" };"); 71 scratch.add(" r.run();"); 72 scratch.add(" System.out.println(\"Finish\");"); 73 scratch.add(" }"); 74 scratch.add("}"); 75 76 File test = new File("TestLambda.java"); 77 createFile(test, scratch); 78 compile("-d", ".", test.getName()); 79 80 scratch.remove(0); 81 scratch.remove(0); 82 scratch.add(0, "public class LongPackageName {"); 83 StringBuilder sb = new StringBuilder("com.example."); 84 // longer than 255 which exceed max length of most filesystems 85 for (int i = 0; i < 30; i++) { 86 sb.append("nonsense."); 87 } 88 sb.append("enough"); 89 longFQCN = sb.toString() + ".LongPackageName"; 90 sb.append(";"); 91 sb.insert(0, "package "); 92 scratch.add(0, sb.toString()); 93 test = new File("LongPackageName.java"); 94 createFile(test, scratch); 95 compile("-d", ".", test.getName()); 96 97 // create target 98 Files.createDirectory(Paths.get("dump")); 99 Files.createDirectories(Paths.get("dumpLong/com/example/nonsense")); 100 Files.createFile(Paths.get("dumpLong/com/example/nonsense/nonsense")); 101 Files.createFile(Paths.get("file")); 102 } 103 104 @AfterClass cleanup()105 public void cleanup() throws IOException { 106 Files.delete(Paths.get("TestLambda.java")); 107 Files.delete(Paths.get("LongPackageName.java")); 108 Files.delete(Paths.get("file")); 109 TestUtil.removeAll(Paths.get("com")); 110 TestUtil.removeAll(Paths.get("dump")); 111 TestUtil.removeAll(Paths.get("dumpLong")); 112 } 113 114 @Test testNotLogging()115 public void testNotLogging() { 116 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(), 117 "-cp", ".", 118 "com.example.TestLambda"); 119 tr.assertZero("Should still return 0"); 120 } 121 122 @Test testLogging()123 public void testLogging() throws IOException { 124 assertTrue(Files.exists(Paths.get("dump"))); 125 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(), 126 "-cp", ".", 127 "-Djdk.internal.lambda.dumpProxyClasses=dump", 128 "com.example.TestLambda"); 129 // 2 our own class files. We don't care about the others 130 assertEquals(Files.find( 131 Paths.get("dump"), 132 99, 133 (p, a) -> p.startsWith(Paths.get("dump/com/example")) 134 && a.isRegularFile()).count(), 135 2, "Two lambda captured"); 136 tr.assertZero("Should still return 0"); 137 } 138 139 @Test testDumpDirNotExist()140 public void testDumpDirNotExist() throws IOException { 141 assertFalse(Files.exists(Paths.get("notExist"))); 142 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(), 143 "-cp", ".", 144 "-Djdk.internal.lambda.dumpProxyClasses=notExist", 145 "com.example.TestLambda"); 146 assertEquals(tr.testOutput.stream() 147 .filter(s -> s.startsWith("WARNING")) 148 .peek(s -> assertTrue(s.contains("does not exist"))) 149 .count(), 150 1, "only show error once"); 151 tr.assertZero("Should still return 0"); 152 } 153 154 @Test testDumpDirIsFile()155 public void testDumpDirIsFile() throws IOException { 156 assertTrue(Files.isRegularFile(Paths.get("file"))); 157 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(), 158 "-cp", ".", 159 "-Djdk.internal.lambda.dumpProxyClasses=file", 160 "com.example.TestLambda"); 161 assertEquals(tr.testOutput.stream() 162 .filter(s -> s.startsWith("WARNING")) 163 .peek(s -> assertTrue(s.contains("not a directory"))) 164 .count(), 165 1, "only show error once"); 166 tr.assertZero("Should still return 0"); 167 } 168 isWriteableDirectory(Path p)169 private static boolean isWriteableDirectory(Path p) { 170 if (!Files.isDirectory(p)) { 171 return false; 172 } 173 Path test = p.resolve(Paths.get("test")); 174 try { 175 Files.createFile(test); 176 assertTrue(Files.exists(test)); 177 return true; 178 } catch (IOException e) { 179 assertFalse(Files.exists(test)); 180 return false; 181 } finally { 182 if (Files.exists(test)) { 183 try { 184 Files.delete(test); 185 } catch (IOException e) { 186 throw new Error(e); 187 } 188 } 189 } 190 } 191 192 @Test testDumpDirNotWritable()193 public void testDumpDirNotWritable() throws IOException { 194 if (!Files.getFileStore(Paths.get(".")) 195 .supportsFileAttributeView(PosixFileAttributeView.class)) { 196 // No easy way to setup readonly directory without POSIX 197 // We would like to skip the test with a cause with 198 // throw new SkipException("Posix not supported"); 199 // but jtreg will report failure so we just pass the test 200 // which we can look at if jtreg changed its behavior 201 System.out.println("WARNING: POSIX is not supported. Skipping testDumpDirNotWritable test."); 202 return; 203 } 204 205 Files.createDirectory(Paths.get("readOnly"), 206 asFileAttribute(fromString("r-xr-xr-x"))); 207 try { 208 if (isWriteableDirectory(Paths.get("readOnly"))) { 209 // Skipping the test: it's allowed to write into read-only directory 210 // (e.g. current user is super user). 211 System.out.println("WARNING: readOnly directory is writeable. Skipping testDumpDirNotWritable test."); 212 return; 213 } 214 215 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(), 216 "-cp", ".", 217 "-Djdk.internal.lambda.dumpProxyClasses=readOnly", 218 "com.example.TestLambda"); 219 assertEquals(tr.testOutput.stream() 220 .filter(s -> s.startsWith("WARNING")) 221 .peek(s -> assertTrue(s.contains("not writable"))) 222 .count(), 223 1, "only show error once"); 224 tr.assertZero("Should still return 0"); 225 } finally { 226 TestUtil.removeAll(Paths.get("readOnly")); 227 } 228 } 229 230 @Test testLoggingException()231 public void testLoggingException() throws IOException { 232 assertTrue(Files.exists(Paths.get("dumpLong"))); 233 TestResult tr = doExec(JAVA_CMD.getAbsolutePath(), 234 "-cp", ".", 235 "-Djdk.internal.lambda.dumpProxyClasses=dumpLong", 236 longFQCN); 237 assertEquals(tr.testOutput.stream() 238 .filter(s -> s.startsWith("WARNING: Exception")) 239 .count(), 240 2, "show error each capture"); 241 // dumpLong/com/example/nonsense/nonsense 242 Path dumpPath = Paths.get("dumpLong/com/example/nonsense"); 243 Predicate<Path> filter = p -> p.getParent() == null || dumpPath.startsWith(p) || p.startsWith(dumpPath); 244 boolean debug = true; 245 if (debug) { 246 Files.walk(Paths.get("dumpLong")) 247 .forEachOrdered(p -> { 248 if (filter.test(p)) { 249 System.out.println("accepted: " + p.toString()); 250 } else { 251 System.out.println("filetered out: " + p.toString()); 252 } 253 }); 254 } 255 assertEquals(Files.walk(Paths.get("dumpLong")) 256 .filter(filter) 257 .count(), 5, "Two lambda captured failed to log"); 258 tr.assertZero("Should still return 0"); 259 } 260 } 261